There is a spreadsheet which shows 2005/06 fees for overseas students at various UK universities/colleges which you can download from this page:
http://www.lse.u-net.com/FeeData.htm

But remember to consider other costs/income as well as the course fees.

Accommodation costs can vary quite a lot in different parts of the UK. To give you some idea about this, the table on this page shows average house prices by region:
http://news.bbc.co.uk/2/shared/spl/hi/in_depth/uk_house_prices/regions/html/regions.stm
Accommodation is generally more expensive in London and the south-east, and cheaper further north, but it can depend on the place.
The international student sections of the university/college websites will tell you more about the local costs, so check these.

If you are planning to work part-time you may find more opportunities in the cities (especially London) - it could be harder to find something if you are studying on a campus that is quite remote.

Remember that cheapest isn't always best and that you are investing a lot anyway if you come here.

League tables can give you some idea about which universities are strongest for which subjects - you should try to choose a course that is appropriate for your own level of ability. Don't pay too much attention to exact positions in the tables.